201097807021147 has 2 divisors, whose sum is σ = 201097807021148. Its totient is φ = 201097807021146.

The previous prime is 201097807021129. The next prime is 201097807021151. The reversal of 201097807021147 is 741120708790102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201097807021147 - 2⁷ = 201097807021019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201097807021147.

It is not a weakly prime, because it can be changed into another prime (201017807021147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100548903510573 + 100548903510574.

It is an arithmetic number, because the mean of its divisors is an integer number (100548903510574).

Almost surely, 2^{201097807021147} is an apocalyptic number.

201097807021147 is a deficient number, since it is larger than the sum of its proper divisors (1).

201097807021147 is an equidigital number, since it uses as much as digits as its factorization.

201097807021147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 395136, while the sum is 49.

The spelling of 201097807021147 in words is "two hundred one trillion, ninety-seven billion, eight hundred seven million, twenty-one thousand, one hundred forty-seven".